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runscottDoug and Art listed Brown Lenox behind Uzit in rarity, but as more rare than Red Hindu. - their associated premium was in line with rarity.
t206museum assigned price multipliers of 70x to BL460 and Drum, and 60x to Brown Lenox. They had Black Lenox and Red Hindu at 20x. I don't know if these have changed in the last year as I no longer visit their site, but they seem reasonable. I'm not sure about the Brown Lenox but I have seen very, very few of them.